Home / 14,553.84-20,084.76-8,590.62

Finding the Fourth Proportional to 14,553.84, 20,084.76 and 8,590.62

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Solution

The fourth proportional to 14,553.84, 20,084.76 and 8,590.62 is: 11,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.84 : 20,084.76 = 8,590.62 : x
  2. Step 2: Convert to fraction form
    14,553.84/20,084.76 = 8,590.62/x
  3. Step 3: Cross multiply
    14,553.84x = 20,084.76 × 8,590.62
  4. Step 4: Simplify right side
    14,553.84x = 172,540,616.27
  5. Step 5: Solve for x
    x = 172,540,616.27/14,553.84
  6. Step 6: Final answer
    x = 11,855.33

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Half scale
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Double scale
Find fourth proportional to 14,554.84, 20,086.14 and 8,591.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.